public class Test {
    public static void main(String[] args) {
        System.out.println(10>20&&10/0==0);
        System.out.println(10<20||10/0==0);
    }
}
/*
* 00001001
* 00010101
* 按位与
* 00000001
* 按位或
* 00011101
*按位异或
* 00011100
* */